Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by Enhancing the fluid pumping rate Increasing the tube length Keeping the heat transfer surface clean None of these Enhancing the fluid pumping rate Increasing the tube length Keeping the heat transfer surface clean None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As per Kirchoffs law, the ratio of the total radiating power to the absorptivity of a body depends on the nature of material of body none of the listed here wavelength of monochromatic radiation temperature of the body only nature of material of body none of the listed here wavelength of monochromatic radiation temperature of the body only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Tubes are held between top and bottom tube sheets in Calenderia type evaporator by keeping The top tube sheet floating and bottom tube sheet fixed Both the tube sheets floating Both the tube sheets fixed The top tube sheet fixed and the bottom tube-sheet floating The top tube sheet floating and bottom tube sheet fixed Both the tube sheets floating Both the tube sheets fixed The top tube sheet fixed and the bottom tube-sheet floating ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of non-metallic amorphous solids remains same None of the listed here increases decreases remains same None of the listed here increases decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. Cummulatively increases Cummulatively decreases And the surface conductance increase Remains constant Cummulatively increases Cummulatively decreases And the surface conductance increase Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number. Brinkman Grashoff Stantan Condensation Brinkman Grashoff Stantan Condensation ANSWER DOWNLOAD EXAMIANS APP
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